postgres.git / summary / log / commit / refs

commit    41b023946dfd20acbc4f3b14650a032eb46f5216
Author:   Peter Eisentraut <peter@eisentraut.org>
Date:     Thu Oct 17 06:23:46 2024 +0000
First released in: 18.0

    jsonapi: fully initialize dummy lexer
    
    Valgrind reports that checks on lex->inc_state are undefined for the
    "dummy lexer" used for incremental parsing, since it's only partially
    initialized on the stack. This was introduced in 0785d1b8b2.
    Zero-initialize the whole struct.
    
    Author: Jacob Champion <jacob.champion@enterprisedb.com>
    Reported-by: Alexander Lakhin <exclusion@gmail.com>
    Discussion: https://www.postgresql.org/message-id/CAOYmi+n9QWr4gsAADZc6qFQjFViXQYVk=gBy_EvxuqsgPJcb_g@mail.gmail.com


 src/common/jsonapi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/common/jsonapi.c b/src/common/jsonapi.c
index 45838d8a184..ca4ecd571ef 100644
--- a/src/common/jsonapi.c
+++ b/src/common/jsonapi.c
@@ -1536,7 +1536,7 @@ json_lex(JsonLexContext *lex)
 		jsonapi_StrValType *ptok = &(lex->inc_state->partial_token);
 		size_t		added = 0;
 		bool		tok_done = false;
-		JsonLexContext dummy_lex;
+		JsonLexContext dummy_lex = {0};
 		JsonParseErrorType partial_result;
 
 		if (ptok->data[0] == '"')


[parent: 342fb8a33200]